Key cutting machine



FIG. 1 is a perspective view of a key cutting machine, showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a left view thereof.

FIG. 5 is a right view thereof; and,

FIG. 6 is a top view thereof.

The broken lines in the figures depict portions of the article which form no part of the claimed design. 

CLAIM The ornamental design for a key cutting machine, as shown and described. 